xen/arm: do not handle VCPUOP_register_vcpu_info failures

We expect VCPUOP_register_vcpu_info to succeed, do not try to handle
failures.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>

1 files changed, 3 insertions, 7 deletions

diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c
index 83d13b0d5f74..3dfa2b5c787d 100644
--- a/arch/arm/xen/enlighten.c
+++ b/arch/arm/xen/enlighten.c
@@ -165,13 +165,9 @@ static int __init xen_secondary_init(unsigned int cpu)
         info.offset = offset_in_page(vcpup);
 
         err = HYPERVISOR_vcpu_op(VCPUOP_register_vcpu_info, cpu, &info);
-        if (err) {
-                pr_debug("register_vcpu_info failed: err=%d\n", err);
-        } else {
-                /* This cpu is using the registered vcpu info, even if
-                   later ones fail to. */
-                per_cpu(xen_vcpu, cpu) = vcpup;
-        }
+        BUG_ON(err);
+        per_cpu(xen_vcpu, cpu) = vcpup;
+
         return 0;
 }